The best area to stay in Melmaruvathur is directly around the Adhiparasakthi Temple, as it's the primary reason most people visit.
This area is the heart of Melmaruvathur, with most accommodations, eateries, and shops suiting pilgrims. It's very convenient for those wishing to attend temple ceremonies or visit frequently throughout their stay. You'll find a range of guesthouses and small hotels within easy walking distance of the temple entrance.
For families or groups travelling together, staying close to the temple offers the most practicality. It minimises travel time and allows for flexible schedules when visiting the temple, which is especially helpful with children or elderly family members.